From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 12490 invoked by alias); 29 Dec 2014 15:53:30 -0000 Mailing-List: contact gdb-prs-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-prs-owner@sourceware.org Received: (qmail 12460 invoked by uid 48); 29 Dec 2014 15:53:29 -0000 From: "hjl.tools at gmail dot com" To: gdb-prs@sourceware.org Subject: [Bug gdb/17764] Excessive seeking when reading debug data pegs the CPU @100% Date: Mon, 29 Dec 2014 15:53:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gdb X-Bugzilla-Component: gdb X-Bugzilla-Version: 7.8 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: hjl.tools at gmail dot com X-Bugzilla-Status: RESOLVED X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: unassigned at sourceware dot org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cc Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Bugzilla-URL: http://sourceware.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-SW-Source: 2014-q4/txt/msg00466.txt.bz2 https://sourceware.org/bugzilla/show_bug.cgi?id=17764 H.J. Lu changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |hjl.tools at gmail dot com --- Comment #10 from H.J. Lu --- (In reply to Sam Varshavchik from comment #8) > Created attachment 8032 [details] > Profiled gdb run after applying 6a8939044781191d685e0aaeb78fe34a97ee3d55 > > That's the bug. After applying 6a8939044781191d685e0aaeb78fe34a97ee3d55, > which applies cleanly to the rpm, gdb racks up only 6 seconds of 100% CPU at > startup, on the same indexed .so, versus more than a minute. Can you do me a favor to compare gdb startup time on the same binary against gdb 7.7 in Fedora 20? Thanks. -- You are receiving this mail because: You are on the CC list for the bug.